zod

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Zod can exhaust memory while validating oversized constrained collections

Zod schema-validation library through 4.6.5 contains an uncontrolled resource consumption vulnerability that allows attackers to exhaust memory by submitting a large array to an application using an array schema without a length constraint. Attackers can exploit the handleArrayResult parse logic in $ZodArray, which accumulates every validation issue for each failing element with no cap or early termination, causing the process to allocate excessive issue objects and crash due to out-of-memory conditions.

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Zod denial of service vulnerability

Zod version 3.22.2 allows an attacker to perform a denial of service while validating emails.